blow·out ( P ) Pronunciation Key (blout)
n.
A sudden rupture or bursting, as of an automobile tire.
The hole made by such a rupture.
A sudden escape of a confined gas or liquid, as from a well.
Slang. A large party or other social affair: “Lunch was a billion-calorie blowout beside the pool” (Vanity Fair).
Informal. A lopsided victory or thorough defeat.
